What powers 
kulisse.at?
Last seen Aug 2026 · 13 technologies across 12 categories
A/B Testing
CMS
Databases
MySQL
since Nov 2022
Mailjet
since Mar 2023
Font scripts
Twitter Emoji (Twemoji)
since Nov 2022
Hosting
World4You
since Aug 2022
JavaScript libraries
Axios
since Nov 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
Bricks
since Feb 2023
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Nov 2021
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.97 / 10 · ranked #592,888 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on IONOS (81.19.159.21)
- DNS: world4you.at
- Email: kulisse.at
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,861,899, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped jQuery Jul 2026
- dropped jQuery Migrate Jul 2026
- detected Complianz Jun 2026
- dropped Ionicons Jun 2026
- detected Twitter Emoji (Twemoji) Dec 2025